Door controlled flag for mailbox



FIG. 1 is a front elevational view of a door controlled flag for a mailbox showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view thereof.

The broken line showing of a mailbox is for illustrative purposes only. 

The ornamental design for a door controlled flag for mailbox, substantially as shown and described. 